Orthopaedic walker



FIG. 1 is a top side perspective view of an orthopaedic walker, showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear elevational view; and,

FIG. 6 is a top plan view. 

The ornamental design for an orthopaedic walker, as shown and described. 